What is the air quality trend in Dajin?

Over the past 7 days, Dajin had an average AQI of 56 based on station measurements. The worst day was 2026-07-18 with AQI 69.

How is Dajin air quality measured?

Air quality in Dajin is measured by ground-level monitoring stations that report PM2.5 and PM10 concentrations hourly. CERNS.IO aggregates readings from nearby stations and converts PM2.5 to the US EPA Air Quality Index (AQI) scale.

Air Quality History for Dajin, China

Name: Dajin Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Dajin, China.

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

118h

PM2.5 Station

118h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	57	30–89	15.7 µg/m³	12h	2
2026-07-20	60	30–127	17.3 µg/m³	14h	2
2026-07-19	62	13–104	18.4 µg/m³	20h	1
2026-07-18	69	34–109	21.2 µg/m³	17h	2
2026-07-17	53	9–99	15.2 µg/m³	17h	2
2026-07-16	43	14–74	11.1 µg/m³	21h	2
2026-07-15	50	18–92	13.7 µg/m³	17h	2

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